There are
1,385 mi
from Harlingen, TX to Matteson, IL
That's the driving distance. It would take 1 day 1 hour to go from Harlingen, Texas to Matteson, Illinois.
The flight distance (direct flight from Harlingen, TX to Matteson, IL) is 1,201.15 mi.
1,385 mi = 2,228.34 kms